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-rw-r--r--src/runtime/CL/functions/CLOpticalFlow.cpp179
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diff --git a/src/runtime/CL/functions/CLOpticalFlow.cpp b/src/runtime/CL/functions/CLOpticalFlow.cpp
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-/*
- * Copyright (c) 2017-2020 ARM Limited.
- *
- * SPDX-License-Identifier: MIT
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to
- * deal in the Software without restriction, including without limitation the
- * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
- * sell copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-#include "arm_compute/runtime/CL/functions/CLOpticalFlow.h"
-
-#include "arm_compute/core/CL/ICLTensor.h"
-#include "arm_compute/core/CL/kernels/CLLKTrackerKernel.h"
-#include "arm_compute/core/Error.h"
-#include "arm_compute/core/TensorInfo.h"
-#include "arm_compute/core/Window.h"
-#include "arm_compute/runtime/CL/CLPyramid.h"
-#include "arm_compute/runtime/CL/CLScheduler.h"
-#include "arm_compute/runtime/CL/CLTensor.h"
-#include "arm_compute/runtime/CL/CLTensorAllocator.h"
-#include "arm_compute/runtime/CL/functions/CLScharr3x3.h"
-#include "support/MemorySupport.h"
-
-using namespace arm_compute;
-
-CLOpticalFlow::CLOpticalFlow(std::shared_ptr<IMemoryManager> memory_manager) // NOLINT
- : _memory_group(std::move(memory_manager)),
- _tracker_init_kernel(),
- _tracker_stage0_kernel(),
- _tracker_stage1_kernel(),
- _tracker_finalize_kernel(),
- _func_scharr(),
- _scharr_gx(),
- _scharr_gy(),
- _old_points(nullptr),
- _new_points_estimates(nullptr),
- _new_points(nullptr),
- _old_points_internal(),
- _new_points_internal(),
- _coefficient_table(),
- _old_values(),
- _num_levels(0)
-{
-}
-
-void CLOpticalFlow::configure(const CLPyramid *old_pyramid, const CLPyramid *new_pyramid,
- const ICLKeyPointArray *old_points, const ICLKeyPointArray *new_points_estimates, ICLKeyPointArray *new_points,
- Termination termination, float epsilon, size_t num_iterations, size_t window_dimension, bool use_initial_estimate,
- BorderMode border_mode, uint8_t constant_border_value)
-{
- configure(CLKernelLibrary::get().get_compile_context(), old_pyramid, new_pyramid, old_points, new_points_estimates, new_points, termination, epsilon, num_iterations, window_dimension,
- use_initial_estimate, border_mode, constant_border_value);
-}
-
-void CLOpticalFlow::configure(const CLCompileContext &compile_context, const CLPyramid *old_pyramid, const CLPyramid *new_pyramid,
- const ICLKeyPointArray *old_points, const ICLKeyPointArray *new_points_estimates, ICLKeyPointArray *new_points,
- Termination termination, float epsilon, size_t num_iterations, size_t window_dimension, bool use_initial_estimate,
- BorderMode border_mode, uint8_t constant_border_value)
-{
- ARM_COMPUTE_ERROR_ON(nullptr == old_pyramid);
- ARM_COMPUTE_ERROR_ON(nullptr == new_pyramid);
- ARM_COMPUTE_ERROR_ON(nullptr == old_points);
- ARM_COMPUTE_ERROR_ON(nullptr == new_points_estimates);
- ARM_COMPUTE_ERROR_ON(nullptr == new_points);
- ARM_COMPUTE_ERROR_ON(old_pyramid->info()->num_levels() != new_pyramid->info()->num_levels());
- ARM_COMPUTE_ERROR_ON(0 == old_pyramid->info()->num_levels());
- ARM_COMPUTE_ERROR_ON(old_pyramid->info()->width() != new_pyramid->info()->width());
- ARM_COMPUTE_ERROR_ON(old_pyramid->info()->height() != new_pyramid->info()->height());
- ARM_COMPUTE_ERROR_ON(use_initial_estimate && old_points->num_values() != new_points_estimates->num_values());
-
- // Set member variables
- _old_points = old_points;
- _new_points_estimates = new_points_estimates;
- _new_points = new_points;
- _num_levels = old_pyramid->info()->num_levels();
-
- const float pyr_scale = old_pyramid->info()->scale();
- const int list_length = old_points->num_values();
- const int old_values_list_length = list_length * window_dimension * window_dimension;
-
- // Create kernels and tensors
- _tracker_init_kernel.resize(_num_levels);
- _tracker_stage0_kernel.resize(_num_levels);
- _tracker_stage1_kernel.resize(_num_levels);
- _func_scharr.resize(_num_levels);
- _scharr_gx.resize(_num_levels);
- _scharr_gy.resize(_num_levels);
-
- // Create internal keypoint arrays
- _old_points_internal = arm_compute::support::cpp14::make_unique<CLLKInternalKeypointArray>(list_length);
- _old_points_internal->resize(list_length);
- _new_points_internal = arm_compute::support::cpp14::make_unique<CLLKInternalKeypointArray>(list_length);
- _new_points_internal->resize(list_length);
- _coefficient_table = arm_compute::support::cpp14::make_unique<CLCoefficientTableArray>(list_length);
- _coefficient_table->resize(list_length);
- _old_values = arm_compute::support::cpp14::make_unique<CLOldValueArray>(old_values_list_length);
- _old_values->resize(old_values_list_length);
- _new_points->resize(list_length);
-
- for(size_t i = 0; i < _num_levels; ++i)
- {
- // Get images from the ith level of old and right pyramid
- ICLImage *old_ith_input = old_pyramid->get_pyramid_level(i);
- ICLImage *new_ith_input = new_pyramid->get_pyramid_level(i);
-
- // Get width and height of images
- const unsigned int width_ith = old_ith_input->info()->dimension(0);
- const unsigned int height_ith = new_ith_input->info()->dimension(1);
-
- // Initialize Scharr tensors
- TensorInfo tensor_info(TensorShape(width_ith, height_ith), 1, DataType::S16);
- _scharr_gx[i].allocator()->init(tensor_info);
- _scharr_gy[i].allocator()->init(tensor_info);
-
- // Manage intermediate buffers
- _memory_group.manage(&_scharr_gx[i]);
- _memory_group.manage(&_scharr_gy[i]);
-
- // Init Scharr kernel
- _func_scharr[i].configure(compile_context, old_ith_input, &_scharr_gx[i], &_scharr_gy[i], border_mode, constant_border_value);
-
- // Init Lucas-Kanade init kernel
- _tracker_init_kernel[i].configure(compile_context, old_points, new_points_estimates, _old_points_internal.get(), _new_points_internal.get(), use_initial_estimate, i, _num_levels, pyr_scale);
-
- // Init Lucas-Kanade stage0 kernel
- _tracker_stage0_kernel[i].configure(compile_context, old_ith_input, &_scharr_gx[i], &_scharr_gy[i],
- _old_points_internal.get(), _new_points_internal.get(), _coefficient_table.get(), _old_values.get(),
- window_dimension, i);
-
- // Init Lucas-Kanade stage1 kernel
- _tracker_stage1_kernel[i].configure(compile_context, new_ith_input, _new_points_internal.get(), _coefficient_table.get(), _old_values.get(),
- termination, epsilon, num_iterations, window_dimension, i);
-
- // Allocate intermediate buffers
- _scharr_gx[i].allocator()->allocate();
- _scharr_gy[i].allocator()->allocate();
- }
-
- // Finalize Lucas-Kanade
- _tracker_finalize_kernel.configure(compile_context, _new_points_internal.get(), new_points);
-}
-
-void CLOpticalFlow::run()
-{
- ARM_COMPUTE_ERROR_ON_MSG(_num_levels == 0, "Unconfigured function");
-
- MemoryGroupResourceScope scope_mg(_memory_group);
-
- for(unsigned int level = _num_levels; level > 0; --level)
- {
- // Run Scharr kernel
- _func_scharr[level - 1].run();
-
- // Run Lucas-Kanade init kernel
- CLScheduler::get().enqueue(_tracker_init_kernel[level - 1]);
-
- // Run Lucas-Kanade stage0 kernel
- CLScheduler::get().enqueue(_tracker_stage0_kernel[level - 1]);
-
- // Run Lucas-Kanade stage1 kernel
- CLScheduler::get().enqueue(_tracker_stage1_kernel[level - 1]);
- }
-
- CLScheduler::get().enqueue(_tracker_finalize_kernel, true);
-}